COM Surrogate High CPU Usage Windows 11

Last updated on February 9th, 2024 at 12:26 pm

COM Surrogate high CPU usage in Windows 11 is a task in Windows Task Manager that runs software intentions that are required by other programs. The fact that it uses a lot of CPU and memory causes many people to misunderstand this process as a virus. You can, however, resolve this problem by using one of our solutions provided further in this guide. So, let’s check out the fixes that will surely help you resolve the dllhost.exe high CPU usage error on your Windows 11 PC.

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What is COM SURROGATE (dllhost.exe)?

In many cases, COM Surrogate is used to refer to dllhost.exe. As the name suggests, COM is a Microsoft system that creates binary software objects that can interact with each other. As a simple explanation, COM enables objects to interact across processes as easily as within them.

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Is COM Surrogate a virus?

A virus can be disguised as COM Surrogate because cybercriminals often use legitimate Windows processes to conceal malicious processes for the purpose of avoiding attention. You can, nevertheless, figure out whether this process is genuine or malicious by looking at the instances running on your computer.

Why is COM Surrogate Causing High CPU Usage?

Windows 11’s Dllhost.exe COM Surrogate high CPU usage can be attributed to a few reasons. Here are a few possible causes:

Third-party app problems.
A faulty system file.
Malware presence.

Fix COM Surrogate High CPU Usage Windows 11

So, here are some fixes that will and have the potential to resolve the dllhost.exe or COM Surrogate high CPU usage on your Windows system:

Fix 1: Scan with Antivirus Software

It is also possible for COM Surrogate high CPU usage Windows 10/11 to occur when a virus infects your computer. It is imperative that you scan your computer with antivirus software to avoid any unfortunate events like this. Here are the steps you need to follow to run a full system scan on Windows 11:

On Windows 11, open the Start menu.
To open Windows Security, search for it and click the top result.
Select Virus & Threat Protection.
Click Scan options under Current threats.
To detect viruses or malware on the entire system, select the Full scan option.
Select Scan Now from the menu.

You will be prompted to install Microsoft Defender Antivirus. After you have done this, Microsoft Defender Antivirus will scan the PC for viruses and other types of malware. When something is detected, the antivirus automatically removes (or quarantines) the threats.

Fix 2: Perform a Clean Boot

Consider doing clean boot state debugging whenever you begin to experience unknown issues during a computer startup. The purpose of the app is to diagnose COM Surrogate Windows performance issues and to resolve high CPU usage issues:

Initially, to open the Run dialog, press Win + R.
To open System Configuration, type msconfig and hit Enter.
Under the General tab, select Selective Startup and untick Load startup items.
On the Services tab, select Hide all Microsoft services and click Disable all > Apply > OK.
Thereafter, right-click the taskbar to choose to open Task Manager.
To disable a startup item, right-click it and choose Disable > OK.
You can check if dllhost.exe or COM Surrogate high CPU disappears upon rebooting your computer.

Fix 3: Reset the DLL Files With the Command Prompt

Resetting the DLL files may also be helpful in fixing COM surrogate high CPU usage errors. In order for the system to function properly, these files must be present. Thus, resetting the COM surrogate is an easy way to improve performance. To make things easier, follow these steps:

Open CMD using admin rights.

Enter the following commands in the tool.
regsvr32 vbscript.dll
regsvr32 jscript.dll

Reset the DLL Files With the Command Prompt

After executing each command, click OK.

In case the COM surrogate high CPU usage Windows 11 errors persist, try the next solution.

Fix 4: Change File Explorer View Options

I can only suggest this if the dllhost.exe/COM surrogate high CPU usage errors still persist. In File Explorer, you need to change the view options. For ease, follow these steps:

On your computer, open the File Explorer.
Double-click the View option from the menu.
Select Details, List, or Tiles from the View menu.

Fix 5: Perform SFC and DISM Scans

There is a chance that the error may be caused by some bad system files that have the potential to cause the error. To find out the exact reason for this issue, a SFC (System File Checker) scan should be performed along with DISM (Disk Image Recovery) scans following the steps below:

In the Command Prompt that appears, press the Windows key + S, type cmd, and select Run as administrator.
Enter the following command and hit Enter once you have typed it: SFC/scannow
After the command completes, type: DISM.exe /Online /Clean-image /Restorhealth
Finally, wait for this command to complete its operation.

It comes as no surprise that broken or corrupt system files can lead to the COM Surrogate using a lot of CPU resources. It’s important to run the DISM scan even if SFC fails.

Fix 6: Check Your Hard Drive

If you continue to receive the high CPU usage error even after performing SFC Scan and DISM Scan, you must check your hard drive for this error:

Start the Command Prompt as an administrator.
Use the following command to check for errors: chkdsk /f/r
Finally, your PC will now need to be restarted after the command has been completed.

Fix 7: Close The Process Using Task Manager

Here are some steps you can follow in case you haven’t tried closing the COM Surrogate process using the task manager:

In order to launch Task Manager, press Ctrl + Shift + Esc.
Find the COM Surrogate process in Task Manager and right-click it.
Select End task from the menu.
Go to the Details tab and search for dllhost.exe if you cannot find the COM Surrogate process.
To end the task, right-click it and select End Task.
Verify that the problem has been resolved after this process has been completed.

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So, that’s all we have for you on how to fix the COM Surrogate high CPU usage in Windows 11. It’s our hope that this guide has helped you. In case you need more help regarding the dllhost.exe issue, comment below and let us know.

COM Surrogate High CPU Usage Windows 11 | How to Fix

What is COM SURROGATE (dllhost.exe)?

Is COM Surrogate a virus?

Why is COM Surrogate Causing High CPU Usage?